Re: [RFC 00/20] Proposal for remaining BKL users
From: Arnd Bergmann <arnd@arndb.de>
Date: 2011-01-26 13:45:17
Also in:
autofs, dri-devel, linux-cifs, linux-fsdevel
On Wednesday 26 January 2011, Mauro Carvalho Chehab wrote:
I guess you're meaning cx25821, right?
Right, sorry for the typo.
Palash should take a look on it and review. This is a device that allows 12 simultaneous streams, so, I suspect that he'll need to do some changes at the locking schema, to avoid performance bottlenecks.
I would be surprised if there was any measurable performance change. The BKL was used only in the open() function to iterate the device list, and that code is nowhere on a critical path, as far as I can tell. Arnd